Use of Force

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235 Articles
Pigeons fly against a darkened, cloudy sky looming over a skyline of mid-rise buildings in the background and a destroyed concrete building in the foreground.

Ukraine and the Special Tribunal for the Crime of Aggression: Redefining International Justice

The tribunal to prosecute Russia's crime of aggression seeks to close one of the most enduring gaps in international criminal law and strengthen the U.N. Charter.
Hegseth is seen in the foreground, walking by a wooden dias where members of the Senate Appropriations Committee are standing and sitting in a wood-paneled room.

Congress Can Act Now on U.S. DoD Inspector’s Report Revealing Violations of Civilian Harm Policy and Law

A Defense Department Inspector General report shows the Pentagon’s failure to prioritize congressionally mandated civilian protection mechanisms amid U.S. military action.
The US Navy warship USS Sampson (DDG 102) docks at the Amador International Cruise Terminal in Panama City on September 02, 2025. Venezuelan President Nicolas Maduro said on September 1, 2025, that eight US military vessels with 1,200 missiles were targeting his country, which he declared to be in a state of "maximum readiness to defend" itself. (Photo by MARTIN BERNETTI/AFP via Getty Images)

Timeline of Boat Strikes and Related Actions

A timeline that chronicles major events in the Trump administration’s campaign of lethal strikes against suspected drug traffickers in the Caribbean and Eastern Pacific.

Collection: U.S. Lethal Strikes on Suspected Drug Traffickers, Operation Southern Spear, Operation Absolute Resolve

Collection of expert analysis on the legality of the U.S. strike on Venezuelan vessels in the Caribbean, the consequences of the strike, and related issues.
Two soldiers in the foreground wearing fatigues and olive green caps place flags in front of each of the small, white headstones lined up along the green spring grass under leafy trees at Arlington National Cemetery Arlington, Virginia.

To Memorialize the Fallen, Renew the Pursuit of Peace

This Memorial Day, to honor the memory of those who gave their lives in war, Americans should consider how to help mold a more peaceful future at home and abroad.
Image of a globe focused on East Europe and parts of western Russia.

Ukrainian Drone Incursions into Baltic States, Russian Electronic Warfare Countermeasures, and International Law

Experts unpack the international law implications of recent incursions of Ukrainian drones into the airspace of Baltic countries due to Russian electronic warfare tactics.
Collage of the Israel-Iran conflict

Collection: Iran, Israel and the United States at War (2025-2026 Operations)

Experts analyze the US-Israel Iran military conflicts - covering nuclear diplomacy; strategic, security, and regional implications; and domestic and international law.
A detailed view of the uniform of a senior military member as U.S. President Donald Trump speaks at Marine Corps Base Quantico on September 30, 2025 in Quantico, Virginia.

Legal Foundations of Honorable Military Service

As former judge advocates, it was our responsibility while on active duty to advise on the legal demands of and limits on senior officers’ authority and responsibility.
A man watches a tugboat in a port.

The United States-Cuba Oil Embargo and International Law

Experts on naval warfare examine the international law dimensions of the United States campaign against Cuba.
US Department of State building with sign in front

On the State Department Memorandum “Operation Epic Fury and International Law”

Former State Department attorney's critique of the Department's Iran war memorandum on “Operation Epic Fury and International Law.”

A Primer on Just War Theory and the Iran War

Leading scholar explains just war theory and the Iran war. An assessment of the Trump administration's response to the Catholic Church.
An overhead view of the Pentagon building in Washington, DC.

In Response to the Letter by International Law Experts

Four experts, who have each served as Senior Law of War Advisor, respond to Letter by 100+ international law experts on Iran war published at Just Security.
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